IEC 60034-5 Ed. 5.0 b:2020

IEC 60034-5 gives definitions for standard degrees of protection provided by enclosures; protection of machines against harmful effects due to the ingress of water; protection of machines against ingress of solid foreign objects; protection of persons against contact with or approach to live parts and against contact with moving parts. Gives designations for these protective degrees and tests to verify that the machines meet the requirements.